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Diss Factsheets
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EC number: 689-267-8 | CAS number: 501925-98-0
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013-01-28 to 2013-02-22
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study; GLP study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- (2002)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2500 (Acute Dermal Irritation)
- Version / remarks:
- 1998
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Test material form:
- liquid: viscous
- Details on test material:
- Purity: >99%
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- Himalayan
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS:
- Source: LPT, Laboratory of Pharmacology and Toxicology, Löhndorf (Germany)
- Sex: female
- Age: approx .6.5 - 10.5 months
- Weight at study initiation: 2.7 kg to 3.2 kg
- Housing: single
- Diet: ad libitum, ssniff K-H (ssniff Spezialdiäten GmbH, 59494 Soest, Germany)
- Water: ad libitum, tap water
- Acclimatisation period: at least 20 days
- Controls: untreated skin surrounding the application area
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20°C +/- 3 °C
- Humidity (%): 30% - 70%
- Photoperiod (hrs dark / hrs light): 12 hour light/12 hour dark cycle
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- unchanged (no vehicle)
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- 0.5 ml test item/patch and animal
- Duration of treatment / exposure:
- 4 hour(s)
- Observation period:
- Postexposure period: 72 hours (Because no effects have been observed the period of observation is not 14 days but 72 hours.)
- Number of animals:
- 3
- Details on study design:
- ADMINISTRATION/EXPOSURE
- Preparation of test substance: unchanged
- Area of exposure: dorsal area of trunk, shaved 24 hours in advance, approx. 6 cm2
- Concentration: 0.5 mL of the test item was applied to the test site (area: approx. 6 cm2).
- Occlusion: gauze patch held in place by semi-occlusive non-irritating tape dressing
- Washing: at the end of the exposure time no residual test item had to be removed.
- Inital test: As there was no evidence of the test item producing severe irritancy or corrosion by the test item, a single patch was applied to one
animal for 4 hours.
- Confirmatory test: As no corrosive or severe irritant effects were observed in the initial test, 2 further animals were employed 24 hours after start
of the initial test.
EXAMINATIONS
- Examination time points: 60 minutes, 24, 48, 72 hours,
- Scoring system: Draize (0-4 possible scores each for erythema/eschar and for edema)
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- overall irritation score
- Basis:
- mean
- Time point:
- other: 1, 24, 48, 72 h
- Score:
- 0
- Max. score:
- 0
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 0
- Max. score:
- 0
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 0
- Max. score:
- 0
- Irritant / corrosive response data:
- AVERAGE SCORE
- Erythema: 0
- Edema: 0 - Other effects:
- no other effects
Any other information on results incl. tables
Findings Examination Skin irritation scores
of the skin schedule
animal no.
1 2 3
E/Oe E/Oe E/Oe
500 ml substance/patch/animal
erythema and
eschar formations/ before dosing 0/0 0/0 0/0
oedema formation
time after removal
of the patch
(4-hour exposure)
60 min 0/0 0/0 0/0
24 hours 0/0 0/0 0/0
48 hours 0/0 0/0 0/0
72 hours 0/0 0/0 0/0
0 no pathological findings
E erythema and eschar formations
Oe oedema
Applicant's summary and conclusion
- Conclusions:
- Under the present test conditions, none of the three male rabbits exposed for 4 hours to 500 ml test item/patch (semi-occlusive conditions) showed any skin reaction. There were no systemic intolerance reactions. Therefore, the test item was non-irritating to skin, hence no labelling is required.
- Executive summary:
The purpose of this study was to examine the test substance for acute dermal irritation/corrosion properties in rabbits (patch test), according to OECD guideline 404, EC method B.4.and OCSPP guideline 870.2500.
Under the present test conditions, none of the three male rabbits exposed for 4 hours to 500 ml test item/patch (semi-occlusive conditions) showed any skin reaction. There were no systemic intolerance reactions. Therefore, the test substance was non-irritating to skin, hence no labelling is required.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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